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Clark County, IL oil and gas wells

8,701 wells: 0 active, 3,744 plugged, run by 941 operators.

Figures from the Illinois State Geological Survey, updated 2026-10-17.

Top operators in Clark

OperatorActiveWells here
Ohio Oil Co., The01,683
Forest Oil Corporation0476
Pure Oil Company0419
The Pure Oil Company0279
Associated Oil Production Co.0169
Ashley Oil, Inc.0141
Huff Drilling Co., Inc.0106
Horizontal Systems, Inc.0105
Zink, Earnest0100
Gary Energy Corp.089
Froderman, G.H. & Connelly, Everett086
Redman Production Co.084
C. L. McMahon, Inc.079
Ohio Oil Company075
Knierim, Max Inc.074
Dover Illinois I, LLC070
L & J Oil & Gas, Inc.069
Ryan, John H.068
Bridge, Frank A.062
Ashley Oil Company059
Partlow Enterprises056
Knierim Company, Inc.055
Dillier & Knierim Co., Inc.053
Tri-Cor Oil Producers047
Samels045

Wells

Not plugged · All wells · Plugged · Orphaned

WellAPI / IDStatusTypeOperator
(no name) 12-023-00121Plugged Dry holeAlco Oil & Gas Corp.
(no name) 1 12-023-00122Status not reported UnknownGillespie
(no name) 12-023-00291Plugged Dry holeAlco Oil & Gas Corp.
(no name) 12-023-03333Plugged Dry holeTri State Oil
(no name) 3 12-023-03533Status not reported OilTrenton Rock Oil & Gas
(no name) 2 12-023-26005Status not reported Unknown—
(no name) M-07 12-023-26136Status not reported OtherHanson Engineers
(no name) M-10 12-023-26142Status not reported OtherHanson Engineers
"Elliott" Test 5 12-023-01903Status not reported UnknownLayne Western Co., Inc.
"Misner" Test 4 12-023-01904Status not reported UnknownLayne Western Co., Inc.
(H & M ) E 3 12-023-24479Plugged DisposalEdwards, Ralph H.
(H & M) E 1 12-023-24322Plugged OilEdwards, Ralph H.
(H & M) E 3 12-023-24402Plugged Dry holeEdwards, Ralph H.
(H & M) E 3 12-023-24463Plugged DisposalEdwards, Ralph H.
1st Nat'l Bank Danville Tr. #5070 1 12-023-25577Plugged Dry holeL & J Oil & Gas, Inc.
1st Nat'l Bank of Danville 1 12-023-25591Status not reported InjectionL & J Oil & Gas, Inc.
1st Nat'l Bank of Danville Trstee 4 12-023-25584-0100Plugged ServiceAshley Oil, Inc.
1st Nat'l Bank of Danville Trstee 7 12-023-25589-0100Plugged ServiceAshley Oil, Inc.
1st Nat'l Bank of Danville Trstee 9 12-023-25590-0100Plugged ServiceAshley Oil, Inc.
1st Nat'l Bank of Danville Trstee 1-W 12-023-25591-0100Status not reported DisposalAshley Oil Company
1st Nat'l Bank of Danville Trstee 1-W 12-023-25591-0200Status not reported InjectionAshley Oil Company
1st Nat'l Bank of Danville Trstee 8 12-023-25595-0100Plugged ServiceAshley Oil, Inc.
1st Nat'l. Bank Danville Trust 1 12-023-25570Plugged OilL & J Oil & Gas, Inc.
1st Nat'l. Bank of Danville Trust 4 12-023-25584Status not reported OilL & J Oil & Gas, Inc.
1st Nat'l. Bank of Danville Trust 2 12-023-25585Plugged OilL & J Oil & Gas, Inc.
1st Nat'l. Bank of Danville Trust 3 12-023-25586Plugged OilL & J Oil & Gas, Inc.
1st Nat'l. Bank of Danville Trust 5 12-023-25587Plugged OilL & J Oil & Gas, Inc.
1st Nat'l. Bank of Danville Trust 6 12-023-25588Plugged OilL & J Oil & Gas, Inc.
1st Nat'l. Bank of Danville Trust 7 12-023-25589Status not reported OilL & J Oil & Gas, Inc.
1st Nat'l. Bank of Danville Trust 9 12-023-25590Status not reported OilL & J Oil & Gas, Inc.
1st Nat'l. Bank of Danville Trust 2-W 12-023-25592Status not reported InjectionL & J Oil & Gas, Inc.
1st Nat'l. Bank of Danville Trust 3-W 12-023-25593Status not reported InjectionL & J Oil & Gas, Inc.
1st Nat'l. Bank of Danville Trust 4-W 12-023-25594Status not reported InjectionL & J Oil & Gas, Inc.
1st Nat'l. Bank of Danville Trust 8 12-023-25595Status not reported OilL & J Oil & Gas, Inc.
1st Nat'l. Bank of Danville Trust 2-H 12-023-25650Plugged OilL & J Oil Producers, Inc.
653.1 , KE 40 12-023-06102Status not reported UnknownOhio Oil Co., The
ALBIRHGT, SARA 1 12-023-04123Plugged Dry holeOhio Oil Co., The
ALBIRHGT, SARA 2 12-023-04124Plugged Dry holeOhio Oil Co., The
ALBIRHGT, SARA 4 12-023-04125Plugged Dry holeOhio Oil Co., The
ALBRIGHT, SJ 5 12-023-04110Plugged Dry holeOhio Oil Co., The
ALBRIGHT, SL 3 12-023-04146Plugged Dry holeOhio Oil Co., The
ALIER, D 1 12-023-05106Status not reported Unknown—
ALIER, D 2 12-023-05107Status not reported Unknown—
ALIER, D 3 12-023-05108Status not reported Unknown5
ALIER, D 3 12-023-05109Status not reported Unknown—
ALIER, D 4 12-023-05110Status not reported Unknown—
ALIER, D 5 12-023-05111Status not reported Unknown—
ARI 14 12-023-23915-0100Permitted UnknownAngel Rose Energy, LLC
ARI 1 12-023-27218Status not reported OilAngel Rose Energy, LLC
ARI 1A 12-023-27222Status not reported OilAngel Rose Energy, LLC
ARI 1B 12-023-27223Status not reported OilAngel Rose Energy, LLC
ARI 5 12-023-27326Status not reported OilAngel Rose Energy, LLC
ARI H1-T HOR 12-023-27338Status not reported OilAngel Rose Energy, LLC
ARNOLD, O 1 12-023-04718Plugged Dry holeOhio Oil Co., The
ASHLEY, J 1 12-023-04993Status not reported Unknown—
ASHLEY, J 2 12-023-04994Status not reported Unknown—
ASHLEY, J 3 12-023-04995Plugged Dry hole—
ASHLEY, J 4 12-023-04996Plugged Dry hole—
ASHLEY, J 6 12-023-04997Plugged Dry hole—
ATKINS, J 1 12-023-04590Status not reported UnknownOhio Oil Co., The
ATKINS, J 2 12-023-04591Status not reported Unknown—
ATKINS, J 3 12-023-04592Status not reported Unknown—
ATKINS, J 5 12-023-04594Status not reported Unknown—
ATKINS, J 6 12-023-04595Status not reported Unknown—
ATKINS, J 8 12-023-04596Status not reported UnknownOhio Oil Company, The
ATKINS, J 10 12-023-04597Status not reported UnknownOhio Oil Co., The
ATKINS, J 11 12-023-04598Status not reported UnknownOhio Oil Co., The
ATKINS, J 12 12-023-04599Status not reported UnknownOhio Oil Co., The
AULD, ER 3 12-023-04600Status not reported UnknownTrenton Oil Company
AULD, N 1 12-023-04579Status not reported Unknown—
AULD, NELSON 1 12-023-04601Status not reported Unknown—
AULD, NELSON 2 12-023-04602Status not reported Unknown—
AULD, NELSON 3 12-023-04603Status not reported Unknown—
AULD, NELSON 4 12-023-04604Status not reported Unknown—
Aetna Life Ins Co. 1 12-023-00232Plugged Dry holeBancroft, Lincoln
Alexander, Carrie C. 1-A 12-023-03148Plugged Dry holeEager, Charles W.
Alexander, Carrie C. 3-A 12-023-03162Plugged Dry holeEager, Charles W.
Alexander, Carrie C. 2-A 12-023-03166Plugged Dry holeEager, Charles W.
Alexander, Charles Comm. 1 12-023-24361Plugged OilB & W Drilling
Allan 1 12-023-00543Plugged Dry holeSchultz, John H.
Allan 2 12-023-00551Plugged OilSiemer, Quintin
Allen, S.B. Est 1 12-023-03494Plugged Dry holeFirman Equip Corp
Apple 1 12-023-24836Plugged Dry holeGalloway, David
Apple, R.E. 1-P 12-023-01765Plugged OilFroderman, G.H. & Connelly, Everett
Apple, R.E. 2-W 12-023-01766Plugged OilFroderman, G.H. & Connelly, Everett
Applegate 1 12-023-01922Plugged OilGallatin, Grant
Applegate 2 12-023-01923Plugged Dry holeGallatin, Grant
Applegate, Glen & Myron 1 12-023-24141Plugged Dry holeApplegate, Glen & Myron
Applegate, R.C. 1 12-023-01767Plugged OilPure Oil Company
Applegate, R.C. 2 12-023-01768Plugged Dry holePure Oil Company
Applegate-Gross SWD 1 12-023-24420Plugged InjectionAssociated Minerals, Inc
Arney, Virgil 1 12-023-01448Plugged Dry holeZink, Earnest
Arthur - Honn 8-B 12-023-27515-0100Permitted UnknownCrozier, Brandon
Artman H8-34 12-023-26982Status not reported GasTrendwell Mid-Continent, Inc.
Athey 1 12-023-00812Plugged Dry holeFoster J Thompson J
Athey 1 12-023-04573Status not reported Unknown—
Atkins 2 12-023-00557Plugged Dry holeLewis, J. W. & Dewey, D. R.
Atkins 1 12-023-00785-0100Plugged DisposalFear & Duncan Oil Prod.
Atkins, Gay 1 12-023-00785Status not reported OilMagnolia Petroleum Company
Atkins, Gay 2 12-023-02944Status not reported OilTroop, R. H.

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